diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 51fbb62cf2..bdc0936a3a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,12 +14,7 @@
 name: CI
 
 on:
-  push:
-    branches: ["**"]
-  pull_request:
-    branches: ["**"]
-  schedule:
-    - cron: "0 6 * * 1-5"
+  workflow_dispatch:
 
 jobs:
   check:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d8bd218ae8..785e5ddeac 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,10 +14,6 @@
 name: Release
 
 on:
-  release:
-    types: [published]
-  schedule:
-    - cron: "0 0 * * 1-5"
   workflow_dispatch:
     inputs:
       runtests:
diff --git a/.github/workflows/sync-lockfiles.yml b/.github/workflows/sync-lockfiles.yml
index 50ab69d7ed..f2dfc2dd21 100644
--- a/.github/workflows/sync-lockfiles.yml
+++ b/.github/workflows/sync-lockfiles.yml
@@ -1,8 +1,6 @@
 name: Sync Cargo lockfiles
 
 on:
-  schedule:
-    - cron: "0 0 * * *" # At the end of every day
   workflow_dispatch:
 
 defaults: